Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core.
Messier 27 (M27)是个气体发射星云的典型例子，它是由于类似太阳的恒星耗尽了其核心的核燃料而产生的。
The emission wavelength of QDs was controlled by the size of the core and each single-color of QDs has narrow symmetrical emission peak.
量子点的发射波长取决于核心粒子的大小，而每一种单色量子点的发射波长窄而对称。
In the elements of landscape architecture construction, plant and plant landscape are the core elements that are closely related to the emission and absorption of carbon dioxide.
在风景园林建设要素中，植物和植物景观是与二氧化碳排放和吸收都密切相关的核心要素。
应用推荐